<template>
	<view v-if="goods_info.goods_name" class="goods-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3500" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) of goods_info.pics" :key="i">
		<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- s商品价格 -->
			<view class="price">
				￥{{goods_info.goods_price | tofixed}}
			</view>
			<view class="oldprice" style="text-decoration:line-through;color:#b1b1b1;font-size:22rpx"> ￥{{999.00 | tofixed}}</view>
			<!-- 商品信息主体区域 -->
			<view class="goods-info-body">
				<!-- 商品的名字 -->
				<view class="goods-name" >
					{{goods_info.goods_name}}
				</view>
				<!-- 收藏 -->
				<view class="fav">
					<uni-icons type="star" size="17" color="gray"></uni-icons>
					<text>收藏</text>
					
				</view>
			</view>
			
			<!-- 运费 -->
			<view class="yunfei">
				快递：免运费
				
			</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<view class="goods-nav">
			<!--  -->
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		computed:{
			...mapState('m_cart',['']),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			//newVal代表total最新的值参数传进来  改为vue的watch侦听器最新的立即执行
			total:{
			handler(newVal){
				const fResult = this.options.find(x => x.text === '购物车')
				if(fResult){
					fResult.info = newVal
				}
				},
				//immediate属性用来声明此侦听器 是否在页面初次加载完毕后立即调用 true为是
				immediate:true
			}
		},
		data() {
			return {
				options: [ {
            icon: 'shop',
            text: '店铺',
           
           
        }, {
            icon: 'cart',
            text: '购物车',
            info: 0
        }],
        buttonGroup: [{
          text: '加入购物车',
          backgroundColor: '#ff0000',
          color: '#fff'
        },
        {
          text: '立即购买',
          backgroundColor: '#ffa200',
          color: '#fff'
        }
        ],
				goods_info:{}
			};
		},
		filters:{
			//把数字u处理为是两位小数点的数字
			tofixed(num){
				return Number(num).toFixed(2)
			}
		},	
		onLoad(options){
			// console.log(options)
			const goods_id=options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res}= await uni.$http.get('/api/public/v1/goods/detail',{goods_id:goods_id})
				if(res.meta.status !== 200)  return uni.$showMsg()
				// 解决富文本编辑中图片之间的间隙问题 用正则表达式的repalce方法重新复制 第一个参数是要修改的 正则相关  第二个是修改后
			res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g,'<img style="display:block;"').replace(/webp/g,'jpg')
		
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					// 所有图片url地址的数组
					urls:this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e){
				// console.log(e)
				if(e.content.text === '购物车'){
					uni.switchTab({
						url:'/pages/car/car'
					})
				}
			},
			 buttonClick (e) {
			        // console.log(e)
			        if(e.content.text === '加入购物车'){
						// 组织商品的信息对象 goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state
						const goods = {
							goods_id:this.goods_info.goods_id,
							goods_name:this.goods_info.goods_name,
							goods_price:this.goods_info.goods_price,
							goods_count:1,
							goods_small_logo:this.goods_info.goods_small_logo,
							goods_state:true
						}
						// 调用addToCart方法
						this.addToCart(goods)
					}
			      }
		}
	}
</script>

<style lang="scss">
	.goods-container{
		padding-bottom: 50px;
	}
swiper{
	height: 750rpx;
	image{
		width: 100%!important;
		height: 100%!important;
	}
}
.goods-info-box{
	padding: 20rpx;
	
	.price{
		color: red;
		font-weight: 800;
		font-size: 32rpx;
	}
	.oldprice{
		
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 26rpx;
			margin-right: 20rpx;
		}
		.fav{
			width: 240rpx;
			font-size: 24rpx;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #1ff1b6;
			color: gray;
		}
	}
	.yunfei{
		font-size: 24rpx;
		color: gray;
		margin: 20rpx 0;
	}
}
.goods-nav{
	position: fixed;
	bottom: 0;
left: 0;
width: 100%;

}
</style>
